81156752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1117}}^1$

素因数の和:1383

約数の個数: 40

約数和(自身を含む): 166358400

約数和(自身を除く): 85201648

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 239, 304, 478, 956, 1117, 1912, 2234, 3824, 4468, 4541, 8936, 9082, 17872, 18164, 21223, 36328, 42446, 72656, 84892, 169784, 266963, 339568, 533926, 1067852, 2135704, 4271408, 5072297, 10144594, 20289188, 40578376, 81156752]

約数ペア:

[(1, 81156752), (2, 40578376), (4, 20289188), (8, 10144594), (16, 5072297), (19, 4271408), (38, 2135704), (76, 1067852), (152, 533926), (239, 339568), (304, 266963), (478, 169784), (956, 84892), (1117, 72656), (1912, 42446), (2234, 36328), (3824, 21223), (4468, 18164), (4541, 17872), (8936, 9082)]